411 - Microsoft Teams SDK

M APIs & Messaging

Basic Information

AttributeDetails
Product NameMicrosoft Teams SDK (formerly Teams AI Library)
CompanyMicrosoft
Official Websitehttps://learn.microsoft.com/microsoftteams/platform/
GitHubhttps://github.com/microsoft/teams-sdk
Product TypeEnterprise Collaboration Platform Development SDK
Supported LanguagesJavaScript (GA), C# (GA), Python (Developer Preview)
Latest StatusFully available in 2026, replacing the archived Bot Framework SDK

Product Description

The Microsoft Teams SDK is a development framework provided by Microsoft for building intelligent agents and various Teams applications. Originally named "Teams AI Library," it has been rebranded as "Teams SDK," reflecting Microsoft's strategic positioning of it as a comprehensive development framework. The Teams SDK supports Model Context Protocol (MCP), Agent-to-Agent communication (A2A), and provides simplified tools to help developers build intelligent agents. The Bot Framework SDK was archived and ceased maintenance on December 31, 2025.

Core Features/Characteristics

  • AI Agent Construction: Focuses on building AI-driven intelligent agents with LLM integration
  • MCP Support: Integrates Model Context Protocol for standardized connections with external data sources
  • A2A Communication: Supports Agent-to-Agent communication protocol
  • Full Application Type Support: Tab pages, Bot robots, message extensions, meeting extensions, etc.
  • Agents Toolkit: Formerly Teams Toolkit, supports VS Code integration to simplify the development process
  • Microsoft 365 Copilot Extensions: Allows building extensions and plugins for Copilot
  • Adaptive Cards: Rich card-based interactive components
  • Multi-platform Extensions: Applications can run simultaneously on Teams, Outlook, and Microsoft 365 Copilot

Business Model

  • Free and Open Source SDK: Teams SDK and Agents Toolkit are free to use
  • Microsoft 365 Subscription: Teams platform relies on Microsoft 365 commercial subscriptions
  • Azure Service Fees: Hosting applications on Azure incurs costs
  • Teams App Store: Developers can distribute applications through the app store
  • Enterprise Licensing: Enterprise-level features require higher-tier licenses
  • Copilot Licensing: Microsoft 365 Copilot requires additional paid licensing

Target Users

  • Enterprise IT developers and teams
  • Microsoft 365 ecosystem partners
  • AI agent and Copilot extension developers
  • Internal tool development teams within enterprises
  • SaaS integrators
  • System integrators and consulting firms

Competitive Advantages

  • Microsoft 365 Ecosystem: Deep integration with Office, Outlook, SharePoint, etc.
  • Enterprise Market Share: Teams has over 300 million monthly active users
  • Copilot Integration: Deep integration with Microsoft 365 Copilot AI assistant
  • MCP and A2A Support: Supports the latest AI agent communication standards
  • Enterprise-grade Security: Comprehensive compliance certifications (SOC, ISO, HIPAA, etc.)
  • Global Deployment: Supported by Azure's global infrastructure

Market Performance

  • Microsoft Teams has over 300 million monthly active users
  • Forms a duopoly with Slack in the enterprise collaboration market
  • High penetration rate in large enterprises and government agencies
  • Microsoft 365 ecosystem has over 400 million users
  • Rapid growth in the Copilot extension ecosystem

Relationship with OpenClaw Ecosystem

Microsoft Teams SDK serves as OpenClaw's enterprise-level collaboration integration channel:

  • Enterprise User Reach: Covers 300 million+ enterprise users through Teams
  • AI Agent Deployment: OpenClaw AI agents can be deployed as Teams applications in enterprise workspaces
  • MCP Protocol Interoperability: Teams SDK's MCP support is interoperable with OpenClaw's AI agent architecture
  • A2A Agent Communication: Supports communication between OpenClaw agents and other Teams agents
  • Microsoft 365 Data Access: Accesses enterprise Office documents and data through the Teams platform
  • Copilot Extensions: OpenClaw can serve as an extension capability for Microsoft 365 Copilot

External References

Learn more from these authoritative sources: